Grade 9 Science Worksheets

Learning Objectives

• Identify key volcanic hazards and their effects.
• Understand the causes of volcanic eruptions.
• Analyze how volcanoes influence landscapes and communities.

Learning Objectives

• Understand the basic concepts of natural selection
• Identify examples of natural selection in nature
• Explain the mechanisms that drive differential survival and reproduction

Learning Objectives

• Explain the processes involved in the carbon cycle within ecosystems.
• Identify key pathways of nutrient cycling such as microbial decomposition, fixation, mineralization, and sedimentation.
• Understand human impacts on nutrient cycles, including fertilizer runoff and eutrophication.+ Show more

Learning Objectives

• Identify different types of constraints relevant to engineering challenges.
• Analyze how social, environmental, and economic factors influence project planning.
• Participate in problem framing by prioritizing functional requirements and constraints.+ Show more

Learning Objectives

• Describe physical barriers such as skin and mucosa that protect the body.
• Explain the roles of immune cells like macrophages and lymphocytes in defending against pathogens.
• Understand how inflammation and immune memory contribute to immune response.+ Show more

Learning Objectives

• Understand the stages of star formation and evolution
• Identify key features of stellar life cycles from gas clouds to final remnants
• Interpret Hertzsprung-Russell diagrams and spectral classifications+ Show more

Learning Objectives

• Understand the concept of chemical equilibrium and how it influences reaction outcomes.
• Identify factors that affect the equilibrium position, such as temperature, pressure, and concentration.
• Explain the role of catalysts in reaction rates without shifting equilibrium.+ Show more

Learning Objectives

• Understand the concept of energy conservation in different systems.
• Identify sources and flows of energy in closed and open systems.
• Interpret energy flow diagrams and model calculations related to energy transfers.+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy
• Calculate kinetic energy of moving objects
• Recognize the relationship between height, mass, and gravitational potential energy+ Show more

Learning Objectives

• Understand the different types of surface erosion
• Explain how atmospheric and hydrologic factors influence earth surface changes
• Identify examples of erosion processes in nature+ Show more

Learning Objectives

• Understand ecological, economic, and health risks associated with genetic technologies.
• Evaluate potential benefits of genetic advancements in agriculture.
• Analyze Alberta-relevant examples like canola introgression and cattle genetics.+ Show more

Learning Objectives

• Understand the structure of ionic lattices and how they differ from covalent networks and molecular solids.
• Identify the physical properties that reflect the arrangement of particles in different solid structures.
• Explain how electrical forces among particles influence melting points, electrical conductivity, hardness, and solubility.

Learning Objectives

• Identify different trophic levels within food webs.
• Understand energy transfer and loss across trophic levels.
• Analyze the structure and functioning of ecological pyramids.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Define endothermic and exothermic reactions based on energy flow.
• Describe how bond breaking and formation influence energy changes.
• Interpret energy diagrams to connect molecular interactions with observable phenomena.

Learning Objectives

• Understand the basic forces involved in motion, such as gravity and applied force.
• Describe how forces affect the movement of objects using free-body diagrams.
• Analyze the relationship between net force and acceleration based on Newton's laws.+ Show more

Learning Objectives

• Identify and describe the different layers of Earth's interior.
• Explain how seismic waves reveal information about Earth's internal structure.
• Understand the transfer of heat within Earth's layers and how it influences planetary processes.

Learning Objectives

• Understand different methods of soil conservation
• Identify the impact of soil conservation on land health
• Recognize human activities affecting land and water interactions+ Show more

Learning Objectives

• Interpret displacement–time, velocity–time, and acceleration–time graphs by using slope and area.
• Explain how changes in slope on a motion graph relate to changing acceleration.
• Choose correct axis labels and scales to compare different motion profiles accurately.

Learning Objectives

• Understand reproductive strategies and their impact on diversity.
• Trace inheritance mechanisms through chromosomes and Mendelian patterns.
• Examine the consequences of selection on adaptation in regional contexts.+ Show more

Learning Objectives

• Explain how a rotating protoplanetary disk can lead to the formation of planets with different compositions.
• Interpret evidence from meteorite composition and isotopic radiometric dating to support a timeline for solar system formation.
• Connect angular momentum and volatile gradients to patterns in rocky inner planets versus gas giant outer planets.

Learning Objectives

• Explain the causes of apparent diurnal and annual motion of celestial objects as viewed from Earth.
• Describe how Earth's rotation and revolution create observable patterns in the sky over nights and seasons.
• Relate celestial coordinate concepts such as rising, setting, altitude, and azimuth to observational sky patterns.+ Show more

Learning Objectives

• Explain how gravity produces orbital motion and describe the role of Kepler’s laws.
• Use relationships between orbital period, semi-major axis, and escape velocity to reason about orbits.
• Connect conservation of angular momentum to changes in speed and distance during orbital motion.+ Show more

Learning Objectives

• Explain the basic concepts of gravity and how it influences orbital motion.
• Describe Kepler's laws of planetary motion.
• Understand the relationship between orbital period and semi-major axis.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Explain how molecular and cellular mechanisms can produce organ-level dysfunction using integrated physiology accounts.
• Construct evidence-based links between genetic variation, biochemical/histological findings, and organ function metrics.
• Interpret multi-level examples (e.g., cystic fibrosis, heart failure, metabolic syndrome) to describe emergent physiological properties.

Learning Objectives

• Explain the particle model of matter and how particles behave in solids, liquids, and gases.
• Describe real-world examples of particle behavior, such as diffusion and pressure.
• Connect observable phenomena to particle arrangements and motion.

Learning Objectives

• Explain ethical concerns related to genetic technologies, including privacy, consent, and potential harms
• Evaluate how policy and public dialogue can guide responsible use of genetic science
• Compare stakeholder responsibilities and ethical frameworks when benefits and risks affect different communities+ Show more

Learning Objectives

• Explain how nucleic acid sequences can encode amino acid sequences and lead to specific protein structures.
• Describe how protein structure relates to cellular architecture and function in ribosomes, endoplasmic reticulum, and mitochondria.
• Use evidence to connect macromolecular structure to mechanical and catalytic roles in specialized cells.

Learning Objectives

• Understand the concept of impulse and its role in collision safety.
• Analyze force-time graphs to evaluate impact forces.
• Describe engineering strategies like crumple zones and airbags to reduce injury during collisions.

Learning Objectives

• Use quantitative and qualitative criteria to compare competing engineering design solutions.
• Evaluate trade-offs among efficiency, durability, cost, and safety using a structured decision framework.
• Incorporate life-cycle cost, manufacturability, and environmental impact into a comparative matrix.+ Show more

Learning Objectives

• Identify parts of the electromagnetic spectrum and understand their relative frequencies.
• Explain how photon energy relates to wave frequency.
• Understand phenomena such as atomic emission and absorption lines.+ Show more

Learning Objectives

• Understand the concept of cosmic expansion and how it is measured.
• Interpret observational evidence such as redshift and cosmic microwave background.
• Learn how astronomers determine the age of the universe using various measurements.

Learning Objectives

• Identify the structure and function of mitochondria
• Explain how mitochondria produce energy in cells
• Understand the significance of mitochondrial structure in energy synthesis+ Show more

Learning Objectives

• Understand how source signals are mapped onto carrier waves using amplitude, frequency, and phase modulation.
• Compare different encoding schemes such as pulse-code modulation and amplitude modulation in terms of bandwidth, fidelity, and noise susceptibility.
• Evaluate practical examples like fiber-optic pulse trains and radio modulation formats for channel capacity and signal integrity.+ Show more

Learning Objectives

• Identify protons, neutrons, and electrons in atoms
• Describe the structure of an atom
• Understand electron configurations and energy levels+ Show more

Learning Objectives

• Explain Newton’s three laws and relate net force, mass, and acceleration for objects moving under a constant mass assumption.
• Use vector reasoning and free-body diagrams to determine net force from multiple forces and their components.
• Solve quantitative problems by predicting acceleration and motion when forces act in different directions.

Learning Objectives

• Identify dominant and recessive traits in Punnett squares
• Understand Mendel's laws of segregation and independent assortment
• Analyze genetic crosses to predict genotype and phenotype ratios+ Show more

Learning Objectives

• Understand the concept of proportional relationships among reactants and products in chemical equations.
• Interpret coefficients in balanced equations to relate amounts of substances.
• Calculate mass relationships and conserved quantities in chemical reactions.+ Show more

Learning Objectives

• Explain how electric and magnetic fields are represented using field lines and how superposition affects net fields.
• Predict the direction of electric force and magnetic force on moving charges using vector relationships and field-line reasoning.
• Determine how charged particles curve in uniform magnetic fields and how this leads to measurable deflections in devices.

Learning Objectives

• Explain the rock cycle by tracing how igneous, sedimentary, and metamorphic rocks transform through melting, crystallization, erosion, compaction, and metamorphism.
• Describe how pressure and temperature conditions affect metamorphism and mineral formation.
• Use clues from radiometric ages and process rates to infer the likely sequence of events in rock histories.

Learning Objectives

• Understand the inverse-square relationship in gravitational and electrostatic forces.
• Use quantitative formulas to calculate force magnitudes and directions.
• Apply force concepts to planetary attraction, charged particles, and scaled systems.+ Show more

Learning Objectives

• Understand different types of renewable energy sources
• Learn about the role of energy transition in reducing greenhouse emissions
• Explore the concepts of energy storage, grid capacity, and carbon sequestration+ Show more

Learning Objectives

• Explain how runoff, discharge, and sediment load influence erosion, transport, and deposition over time
• Interpret hydrologic data (discharge records and sediment measurements) to make evidence-based claims about channel or shoreline change
• Describe how different time scales (storms vs. long-term evolution) affect landscape form

Learning Objectives

• Explain how land-use choices affect infiltration, runoff, groundwater recharge, and water quality.
• Identify soil conservation and irrigation practices that reduce erosion, salinization, and nutrient loss.
• Analyze watershed-scale impacts using sustainability indicators and trade-offs among food, biodiversity, and ecosystem health.

Learning Objectives

• Understand the spectrum of electromagnetic radiation and its relationship with photon energy.
• Explain how different types of electromagnetic waves interact with matter, including phenomena like atomic emission and absorption.
• Apply Planck’s relation to compare energies and wavelengths across the electromagnetic spectrum.+ Show more

Learning Objectives

• Explain the hierarchical relationships among cells, tissues, organs, and systems.
• Describe how cell specialization and extracellular matrices contribute to organ functions.
• Understand the scaling principles from cellular interfaces to organ systems and their impact on physiological capacity.+ Show more

Learning Objectives

• Understand the process of seafloor spreading at mid-ocean ridges.
• Identify evidence supporting the theory of plate tectonics, including magnetic striping and age progression.
• Explain how oceanic crust is created and recycled in earth's lithosphere.